refactor: clean up code formatting and improve readability across multiple files

modules/bot-platform/src/main/scala/de/nowchess/botplatform/registry/BotRegistry.scala

@@ -14,16 +14,16 @@ import java.util.function.Consumer
 class BotRegistry:
 
   // scalafix:off DisableSyntax.var
-  @Inject var redis: RedisDataSource = uninitialized
+  @Inject var redis: RedisDataSource   = uninitialized
   @Inject var redisConfig: RedisConfig = uninitialized
   // scalafix:on DisableSyntax.var
 
-  private val connections = ConcurrentHashMap[String, (MultiEmitter[?], PubSubCommands.RedisSubscriber)]()
+  private val connections = ConcurrentHashMap[String, (MultiEmitter[? >: String], PubSubCommands.RedisSubscriber)]()
 
   def register(botId: String, emitter: MultiEmitter[? >: String]): Unit =
-    val channel = s"${redisConfig.prefix}:bot:$botId:events"
-    val handler: Consumer[String] = msg => emitter.asInstanceOf[MultiEmitter[String]].emit(msg)
-    val subscriber = redis.pubsub(classOf[String]).subscribe(channel, handler)
+    val channel                   = s"${redisConfig.prefix}:bot:$botId:events"
+    val handler: Consumer[String] = msg => emitter.emit(msg)
+    val subscriber                = redis.pubsub(classOf[String]).subscribe(channel, handler)
     connections.put(botId, (emitter, subscriber))
     ()
 

modules/bot-platform/src/main/scala/de/nowchess/botplatform/resource/BotEventResource.scala

@@ -44,9 +44,9 @@ class BotEventResource:
   @Produces(Array(MediaType.SERVER_SENT_EVENTS))
   def streamGame(@PathParam("gameId") gameId: String): Multi[String] =
     Multi.createFrom().emitter[String] { emitter =>
-      val topicName            = s"${redisConfig.prefix}:game:$gameId:s2c"
+      val topicName                 = s"${redisConfig.prefix}:game:$gameId:s2c"
       val handler: Consumer[String] = msg => emitter.emit(msg)
-      val subscriber           = redis.pubsub(classOf[String]).subscribe(topicName, handler)
+      val subscriber                = redis.pubsub(classOf[String]).subscribe(topicName, handler)
       emitter.onTermination(() => subscriber.unsubscribe(topicName))
     }